5 comments:
File Documentation/acpi/devicetree.md:
This property is used to match the device to its driver during enumeration in the OS.
informs the platform that the GPIO
will be routed through SCI (ACPI's System Control Interrupt)
Also, that this is the Interrupt() resource that will be added to _CRS to provide information about the device interrupt to its driver. Here it is marked as active low and triggered on edge i.e. falling edge.
This requires that the gpio GPP_A21 be configured in coreboot accordingly.
It might be helpful to indicate #21 is actually GPP_X21 where GPP_X is mapped to DW0 in devicetree.cb
There are no
dependent power resources
Are you planning on adding information about power resources later?
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